Description
Reams head tube I.D. to 55.95 mm to accept "internal" headset cups with 56.00–56.10 mm O.D. (1-1/2 ZS standard). Used with #690-XXL Facing Cutter and #750 Centering Cone Adaptor. Designed for use with the HTR-1 or HTR-1B Headtube Reamer and Facer. Note: The 789 is used for upper and lower...
Park Tool 55.95 mm Reamer - 789 Item # 890122
Description
Reams head tube I.D. to 55.95 mm to accept "internal" headset cups with 56.00–56.10 mm O.D. (1-1/2 ZS standard). Used with #690-XXL Facing Cutter and #750 Centering Cone Adaptor. Designed for use with the HTR-1 or HTR-1B Headtube Reamer and Facer.
Note: The 789 is used for upper and lower head tubes accepting the ZS56 or EC56 headsets.